Features:
+* Something is wrong with symlink handling of "autovt@.service" in "systemctl list-unit-files"
+
+* introduce sd_log_open() to create a connection to the syslog bridge via sd-daemon.h
+
* when a bus name of a service disappears from the bus make sure to queue further activation requests
* something like ConditionExec= or ExecStartPre= without failure state